201001021222 has 32 divisors (see below), whose sum is σ = 310505218848. Its totient is φ = 97530241536.

The previous prime is 201001021201. The next prime is 201001021349. The reversal of 201001021222 is 222120100102.

It is a happy number.

201001021222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27862888 + ... + 27870100.

It is an arithmetic number, because the mean of its divisors is an integer number (9703288089).

Almost surely, 2^201001021222 is an apocalyptic number.

201001021222 is a deficient number, since it is larger than the sum of its proper divisors (109504197626).

201001021222 is a wasteful number, since it uses less digits than its factorization.

201001021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9304.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201001021222 its reverse (222120100102), we get a palindrome (423121121324).

The spelling of 201001021222 in words is "two hundred one billion, one million, twenty-one thousand, two hundred twenty-two".